SMF105
SMF Series Stainless Steel Flanged Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
SMF105
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
1 g
Tolerance class
ABEC1
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
5 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
10 mm
Outside diameter tolerance
-0.008mm to 0
Width
3 mm
Width tolerance
-0.12mm to 0
Inner Ring Dimensions
Inner ring type
Standard
Outer Ring Dimensions
Flange outer diameter
11.2 mm
Flange thickness
0.6 mm
Ball & Washer Dimensions
Ball diameter
1.2 mm
Ball quantity
8
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
74 lbf
Radial static load rating
27 lbf
Limiting speed
45 X 1000 rpm
Lubrication
Required
Radial internal clearance
MC3
Radial internal clearance
0.002mm to 0.013mm
Materials
Ring material
Stainless Steel
Ball material
Stainless Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 1.59
/ each
In Stock
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SMF105 Bearing Product Overview & Core Advantages
The SMF105 is a metric single row deep groove ball bearing engineered for precision radial load applications. Constructed entirely from stainless steel (rings, balls, and cage), it offers excellent corrosion resistance. Its compact design, with a 5 mm bore and a total weight of just 1 gram, makes it ideal for space-constrained, high-precision assemblies. The bearing operates effectively within a temperature range of -30°C to 110°C and is compliant with RoHS and REACH standards, ensuring suitability for demanding industrial and technical applications.
SMF105 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Interpretation | Technical Significance |
|---|---|---|
| SMF105 | Standard Model Number | Denotes a specific size series with a 5mm bore and 10mm outside diameter. |
| (No Suffix) | Open, Unsealed | The bearing is supplied without seals or shields, allowing for higher limiting speeds and easy re-lubrication, but requires a clean operating environment. |
| - | Standard Internal Clearance (MC3) | Features a MC3 radial internal clearance (0.002mm to 0.013mm), suitable for a wide range of general applications. |
| - | ABEC1 Tolerance | Manufactured to ABEC1 precision class, ensuring reliable performance for standard duty applications. |
SMF105 Bearing Structural Features & Performance Benefits
- All-Stainless-Steel Construction: Provides superior corrosion resistance, making the bearing suitable for harsh environments, including those with exposure to moisture or chemicals.
- Deep Groove Raceway: Optimized for handling radial dynamic loads (rated at 74 lbf) and moderate axial loads in both directions.
- High-Speed Capability: The open design and stainless steel cage contribute to a high limiting speed of 45,000 rpm, ideal for fast-rotating spindles and small motors.
- Precision Engineering: Tight dimensional tolerances on the bore diameter, outside diameter, and width ensure smooth operation and easy installation into precision housings.
- Flanged Outer Ring: The integrated flange (11.2 mm diameter) simplifies axial location and mounting, reducing assembly time and cost.
SMF105 Bearing Typical Application Areas
- Small Precision Electric Motors and Spindles
- Medical and Dental Hand Tools
- Optical Encoders and Precision Instrumentation
- Office Automation Equipment (e.g., Printers, Scanners)
- Radio-Controlled Models and Drones
- Low-Torque, High-Speed Mechanisms
